Serta Perfect Sleeper Castleview Limited Edition Plush King Mattress Set

by Serta |
Item # 121507

Why we love this

Cool Twist® Gel Foam conforms to your body, relieves pressure points and promotes enhanced airflow through the mattress so you stay cool all night long.

About this item

  • Plush mattress cradles the body and relieves pressure points
  • Hybrid mattress combines memory foam with innerspring for support
  • Set includes a standard 9" or low-profile 5.75" StabL-Base box spring
  • White Glove Delivery+ includes set-up and mattress haul-away
current price: $859.00
Choose a box spring type: 
Standard 9 Height
Low Profile 5.75 Height
Free shipping


The Serta Perfect Sleeper Castleview Limited Edition Plush Mattress features a layer of liquid-gel enhanced Cool Twist® Gel Foam that gently conforms to your body and relieves pressure points. This unique foam also promotes enhanced airflow through the mattress. Individually wrapped coil technology provides extra support to the areas of the body that need it most, while isolating motion to reduce partner disturbance.

Memory Foam and Wrapped Coils Combine for Ultimate Support

The hybrid mattress offers the cooling comfort of gel memory foam and cradling support of individually wrapped coils. This ergonomic combination keeps you comfortable in your favorite sleeping position, so you can wake up feeling refreshed.

Breathable, Cooling Gel Foam for Enhanced Comfort

The Serta Perfect Sleeper Castleview King Mattress features Cool Twist Gel Foam that creates a comfortable sleeping environment. It's designed to keep your mattress fresh and reduce the buildup of heat at the surface for hours of quality sleep. The gel foam also conforms to your body, relieving pressure points and promoting airflow. Cool Balance® technology is a high-performance heat and moisture-regulating fabric that ensures a comfortable, balanced sleep temperature.

Wrapped Coils Deliver Superior Pressure Relief

The hybrid mattress in this Serta Perfect Sleeper Castleview set uses individually wrapped coils to help with pressure relief while reducing motion transfer. This innovative spring system helps minimize disturbance from a moving co-sleeper, letting you enjoy restful sleep. Total Edge® Foam Encasement prevents sagging, provides superior edge support and extends the life of your mattress.

Plush King Delivers Comfort and Space

The plush Serta Castleview mattress cradles and hugs your body, letting you gently sink into it. This makes it an ideal choice for side sleepers while the supportive layers underneath to help with pressure point discomfort in your shoulders, hips, knees and feet.

Does this mattress include a box spring?

Yes, this Serta Perfect Sleeper Castleview King Mattress includes your choice of either a standard 9" or low-profile 5.75" StabL-Base box spring. It is also compatible with adjustable bed frames.

Can this mattress be flipped or rotated?

The Serta Perfect Sleeper Castleview King Mattress should not be flipped as it has a one-sided mattress design. We do recommend rotating your mattress every 1-2 months to keep it in optimal condition.

Serta Perfect Sleeper CollectionOfficial mattress of the National Sleep Foundation, the Serta Perfect Sleeper model addresses five common sleep problems. Comfort XD™ Foam provides pressure-point relief, which helps prevent tossing and turning. Serta’s Custom Support® innerspring offers a body-cradling feel and outstanding support while minimizing motion transfer. To ensure a comfortable sleep temperature, Cool Twist® Gel Foam reduces the build-up of heat at the surface. Total Edge® Foam Encasement helps reduce edge roll-off, extending the sleep surface.


Home Delivery, Set-up and Mattress Haul-away Serta’s Home White Glove Delivery+ service* includes in-home delivery, up to two flights of stairs. The delivery agent will remove the mattress from packaging and set-up basic bed frames (if no tools are required). The Member may ask the delivery agent to move a used mattress to another room at the location or haul-away the old mattress from the premises. Estimated delivery time is 10 to 12 business days for standard zones; remote zones may take longer. The delivery agent will call the Member to set up an appointment.


Mattress Buying Guide Looking for the perfect mattress for your needs? Click to view our Mattress Buying Guide.


Need Help? Ask our dedicated Sam’s Club members-only Serta hotline, staffed especially for you by Serta Mattress Specialists: 1-888-240-1945 available 24 hours/7 days a week.

Member reviews & questions


"Membership is required to complete an in-club or curbside pickup purchase at Sam's Club."